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Keflavik Intl

$399+ Cheap flights from Reagan-National (DCA) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — KEF
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap flight deals from Reagan-National to Keflavik Intl

Cheapest flights from Reagan-National to Keflavik Intl
Explore the most affordable flight options available from Reagan-National to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.

This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:20 pm
DCA
-
KEF
1 stop11h 35m
Air Canada
Tue 8/2510:00 am
KEF
-
DCA
1 stop26h 52m
Air Canada
Deal found 5/16$551
This Travelocity deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:20 pm
DCA
-
KEF
1 stop11h 35m
Air Canada
Thu 8/2010:00 am
KEF
-
DCA
1 stop12h 12m
Air Canada
Deal found 5/19$581
This Orbitz deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:55 pm
DCA
-
KEF
1 stop9h 50m
Air Canada
Mon 9/710:00 am
KEF
-
DCA
1 stop16h 31m
Air Canada
Deal found 5/16$586
This oojo deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:15 pm
DCA
-
KEF
1 stop8h 50m
Icelandair
Thu 10/155:10 pm
KEF
-
DCA
1 stop18h 46m
Icelandair
Deal found 5/17$619
This oojo deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:14 pm
DCA
-
KEF
1 stop8h 51m
Icelandair
Sun 10/187:55 pm
KEF
-
DCA
1 stop16h 01m
Icelandair
Deal found 5/20$628
This oojo deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:45 pm
DCA
-
KEF
1 stop10h 20m
Icelandair
Thu 10/225:00 pm
KEF
-
DCA
1 stop9h 59m
Icelandair
Deal found 5/20$631
This oojo deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:00 pm
DCA
-
KEF
1 stop12h 05m
Icelandair
Mon 9/75:10 pm
KEF
-
DCA
1 stop21h 00m
Icelandair
Deal found 5/17$633
This oojo deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:55 pm
DCA
-
KEF
1 stop9h 10m
Icelandair
Mon 11/94:50 pm
KEF
-
DCA
1 stop10h 58m
Icelandair
Deal found 5/18$634
This oojo deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:55 am
DCA
-
KEF
1 stop17h 10m
Icelandair
Fri 10/95:00 pm
KEF
-
DCA
1 stop9h 59m
Icelandair
Deal found 5/20$636
This oojo deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:00 pm
DCA
-
KEF
1 stop12h 05m
Icelandair
Mon 9/75:10 pm
KEF
-
DCA
1 stop18h 48m
Icelandair
Deal found 5/20$637

Find flight deals from Reagan-National to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$551
(Expedia)

One-way from

$399
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$525
Provider with most accurate pricing for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Reykjavik Keflavik Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 7/22

1:42 pm-7:40 am

2 stops13h 58m

Reykjavik Keflavik Intl

Wed 7/29

9:30 am-7:48 pm

2 stops14h 18m

$855

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 6/10

11:00 am-8:45 am

1 stop17h 45m

Reykjavik Keflavik Intl

Tue 6/16

10:00 am-2:23 pm

2 stops32h 23m

$889

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Mon 6/15

6:15 am-8:50 am

1 stop22h 35m

Reykjavik Keflavik Intl

Wed 6/24

10:00 am-8:52 am

1 stop26h 52m

$901

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Wed 7/15

2:45 pm-7:40 am

2 stops12h 55m

Reykjavik Keflavik Intl

Sun 7/26

8:45 am-6:59 pm

1 stop14h 14m

$925

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Sat 7/18

5:29 pm-7:40 am

1 stop10h 11m

Reykjavik Keflavik Intl

Mon 7/27

8:45 am-6:37 pm

2 stops13h 52m

$950

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 7/9

5:29 pm-7:40 am

1 stop10h 11m

Reykjavik Keflavik Intl

Mon 7/13

9:30 am-6:43 pm

2 stops13h 13m

$950
Quickest round-trip

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 7/16

4:20 pm-7:55 am

1 stop11h 35m

Reykjavik Keflavik Intl

Sat 7/25

9:15 am-3:38 pm

1 stop10h 23m

$951

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 6/4

9:15 am-7:40 am

2 stops18h 25m

Reykjavik Keflavik Intl

Mon 6/8

11:25 am-10:47 pm

2 stops15h 22m

$975

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Fri 7/3

7:15 am-8:50 am

1 stop21h 35m

Reykjavik Keflavik Intl

Fri 7/10

9:15 am-10:18 am

1 stop29h 03m

$982

Washington, D.C.Reykjavik

DCA - KEF

DCAKEF

Washington, D.C. Reagan-National

Thu 6/11

7:18 pm-8:50 am

1 stop9h 32m

Reykjavik Keflavik Intl

Sun 6/14

12:00 pm-9:09 pm

1 stop13h 09m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Compare providers for flights from Reagan-National to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Keflavik Intl in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport?

    Airlines like Virgin Atlantic, United Airlines, and Delta fly from Washington, D.C. Reagan-National Airport to Reykjavik Keflavik Intl Airport in about 12h 55m. The time it takes to get you to your destination can typically vary by up to 4h 50m. Washington, D.C. Reagan-National Airport and Reykjavik Keflavik Intl Airport are separated by a distance of 2784 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Reagan-National to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Keflavik Intl.

  • Can I find deals for business class flights from Reagan-National to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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